Index: Riskeer/Integration/test/Riskeer.Integration.Forms.Test/Observers/AssessmentSectionResultObserverTest.cs
===================================================================
diff -u -rab37b351a0ae4fc2d1be460f022a6850fea6dca5 -r3e0814af5f0045f57ab89723d8d55db530c8f6f5
--- Riskeer/Integration/test/Riskeer.Integration.Forms.Test/Observers/AssessmentSectionResultObserverTest.cs	(.../AssessmentSectionResultObserverTest.cs)	(revision ab37b351a0ae4fc2d1be460f022a6850fea6dca5)
+++ Riskeer/Integration/test/Riskeer.Integration.Forms.Test/Observers/AssessmentSectionResultObserverTest.cs	(.../AssessmentSectionResultObserverTest.cs)	(revision 3e0814af5f0045f57ab89723d8d55db530c8f6f5)
@@ -231,7 +231,7 @@
         {
             // Given
             AssessmentSection assessmentSection = CreateAssessmentSection();
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1);
+            var calculation = new GrassCoverErosionInwardsCalculation();
             assessmentSection.GrassCoverErosionInwards.CalculationsGroup.Children.Add(calculation);
 
             using (var resultObserver = new AssessmentSectionResultObserver(assessmentSection))
Index: Riskeer/Integration/test/Riskeer.Integration.Forms.Test/PropertyClasses/NormPropertiesIntegrationTest.cs
===================================================================
diff -u -rab37b351a0ae4fc2d1be460f022a6850fea6dca5 -r3e0814af5f0045f57ab89723d8d55db530c8f6f5
--- Riskeer/Integration/test/Riskeer.Integration.Forms.Test/PropertyClasses/NormPropertiesIntegrationTest.cs	(.../NormPropertiesIntegrationTest.cs)	(revision ab37b351a0ae4fc2d1be460f022a6850fea6dca5)
+++ Riskeer/Integration/test/Riskeer.Integration.Forms.Test/PropertyClasses/NormPropertiesIntegrationTest.cs	(.../NormPropertiesIntegrationTest.cs)	(revision 3e0814af5f0045f57ab89723d8d55db530c8f6f5)
@@ -88,8 +88,8 @@
 
             var emptyPipingCalculation = new TestPipingCalculationScenario();
             var pipingCalculation = new TestPipingCalculationScenario(true);
-            var emptyGrassCoverErosionInwardsCalculation = new GrassCoverErosionInwardsCalculation(0.1);
-            var grassCoverErosionInwardsCalculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var emptyGrassCoverErosionInwardsCalculation = new GrassCoverErosionInwardsCalculation();
+            var grassCoverErosionInwardsCalculation = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput()
             };
@@ -178,7 +178,7 @@
             SetOutputToHydraulicBoundaryLocationCalculations(assessmentSection.GrassCoverErosionOutwards, hydraulicBoundaryLocation, random);
 
             var pipingCalculation = new TestPipingCalculationScenario(true);
-            var grassCoverErosionInwardsCalculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var grassCoverErosionInwardsCalculation = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput()
             };
@@ -260,7 +260,7 @@
             });
 
             var emptyPipingCalculation = new TestPipingCalculationScenario();
-            var emptyGrassCoverErosionInwardsCalculation = new GrassCoverErosionInwardsCalculation(0.1);
+            var emptyGrassCoverErosionInwardsCalculation = new GrassCoverErosionInwardsCalculation();
             var emptyHeightStructuresCalculation = new StructuresCalculation<HeightStructuresInput>();
 
             assessmentSection.Piping.CalculationsGroup.Children.Add(emptyPipingCalculation);
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/Merge/AssessmentSectionMergeHandlerTest.cs
===================================================================
diff -u -r9952b8e6fa9d929e06ef2c8e568b801ee9910509 -r3e0814af5f0045f57ab89723d8d55db530c8f6f5
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/Merge/AssessmentSectionMergeHandlerTest.cs	(.../AssessmentSectionMergeHandlerTest.cs)	(revision 9952b8e6fa9d929e06ef2c8e568b801ee9910509)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/Merge/AssessmentSectionMergeHandlerTest.cs	(.../AssessmentSectionMergeHandlerTest.cs)	(revision 3e0814af5f0045f57ab89723d8d55db530c8f6f5)
@@ -265,7 +265,7 @@
                     HydraulicBoundaryLocation = sourceLocations[0]
                 }
             });
-            sourceAssessmentSection.GrassCoverErosionInwards.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculationScenario(0.1)
+            sourceAssessmentSection.GrassCoverErosionInwards.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculationScenario
             {
                 InputParameters =
                 {
Index: Riskeer/Integration/test/Riskeer.Integration.Service.Test/AssessmentSectionCalculationActivityFactoryTest.cs
===================================================================
diff -u -r9952b8e6fa9d929e06ef2c8e568b801ee9910509 -r3e0814af5f0045f57ab89723d8d55db530c8f6f5
--- Riskeer/Integration/test/Riskeer.Integration.Service.Test/AssessmentSectionCalculationActivityFactoryTest.cs	(.../AssessmentSectionCalculationActivityFactoryTest.cs)	(revision 9952b8e6fa9d929e06ef2c8e568b801ee9910509)
+++ Riskeer/Integration/test/Riskeer.Integration.Service.Test/AssessmentSectionCalculationActivityFactoryTest.cs	(.../AssessmentSectionCalculationActivityFactoryTest.cs)	(revision 3e0814af5f0045f57ab89723d8d55db530c8f6f5)
@@ -335,7 +335,7 @@
         private static void AddGrassCoverErosionInwardsCalculation(AssessmentSection assessmentSection,
                                                                    HydraulicBoundaryLocation hydraulicBoundaryLocation)
         {
-            assessmentSection.GrassCoverErosionInwards.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1)
+            assessmentSection.GrassCoverErosionInwards.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
Index: Riskeer/Integration/test/Riskeer.Integration.TestUtil/TestDataGenerator.cs
===================================================================
diff -u -rab37b351a0ae4fc2d1be460f022a6850fea6dca5 -r3e0814af5f0045f57ab89723d8d55db530c8f6f5
--- Riskeer/Integration/test/Riskeer.Integration.TestUtil/TestDataGenerator.cs	(.../TestDataGenerator.cs)	(revision ab37b351a0ae4fc2d1be460f022a6850fea6dca5)
+++ Riskeer/Integration/test/Riskeer.Integration.TestUtil/TestDataGenerator.cs	(.../TestDataGenerator.cs)	(revision 3e0814af5f0045f57ab89723d8d55db530c8f6f5)
@@ -317,8 +317,8 @@
                 dikeprofile2
             }, "some/path/to/dikeprofiles");
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1);
-            var calculationWithOutputAndDikeProfileAndHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation();
+            var calculationWithOutputAndDikeProfileAndHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -329,7 +329,7 @@
                                                             new TestDikeHeightOutput(0, CalculationConvergence.CalculatedConverged),
                                                             new TestOvertoppingRateOutput(0, CalculationConvergence.CalculatedConverged))
             };
-            var calculationWithOutputAndHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithOutputAndHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -339,14 +339,14 @@
                                                             new TestDikeHeightOutput(0, CalculationConvergence.CalculatedConverged),
                                                             new TestOvertoppingRateOutput(0, CalculationConvergence.CalculatedConverged))
             };
-            var calculationWithHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
                     HydraulicBoundaryLocation = hydraulicBoundaryLocation
                 }
             };
-            var calculationWithDikeProfileAndHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithDikeProfileAndHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -355,8 +355,8 @@
                 }
             };
 
-            var subCalculation = new GrassCoverErosionInwardsCalculation(0.1);
-            var subCalculationWithOutputAndDikeProfileAndHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation(0.1)
+            var subCalculation = new GrassCoverErosionInwardsCalculation();
+            var subCalculationWithOutputAndDikeProfileAndHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -367,7 +367,7 @@
                                                             new TestDikeHeightOutput(0, CalculationConvergence.CalculatedConverged),
                                                             new TestOvertoppingRateOutput(0, CalculationConvergence.CalculatedConverged))
             };
-            var subCalculationWithOutputAndHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation(0.1)
+            var subCalculationWithOutputAndHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -377,14 +377,14 @@
                                                             new TestDikeHeightOutput(0, CalculationConvergence.CalculatedConverged),
                                                             new TestOvertoppingRateOutput(0, CalculationConvergence.CalculatedConverged))
             };
-            var subCalculationWithHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation(0.1)
+            var subCalculationWithHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
                     HydraulicBoundaryLocation = hydraulicBoundaryLocation
                 }
             };
-            var subCalculationWithDikeProfileAndHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation(0.1)
+            var subCalculationWithDikeProfileAndHydraulicBoundaryLocation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {